M
- Mably, Gabriel Bonnot de
- Macaulay, Thomas Babington
- MacCulloch, John Ramsay
- MacDonald, James Ramsay
- Macfarlane, Helen
- MacGregor, John
- Mach, Ernst
- Machado, Maria dos Santos
- Machajski, Jan Waclaw
- Machel, Josina
- Machel, Samora Moisés
- Machismo
- Mackensen, August
- Maclaren, James
- Maclean, John
- Macleod, Henry Dunning
- Mac-Mahon, Marie Edme Patrice Maurice
- Mac Lennan, John Fergusson
- Mädler, Johannes Heinrich von
- Magahães, Zélia
- Magdoff, Harry Samuel
- Magnan, Bernard Pierre
- Magno, Alexandre
- Magno, Carlos
- Maine, Henry James Sumner
- Maistre, Joseph de
- Majumdar, Charu
- Makarenko, Anton Semyonovitch
- Makárov, Aleksandr Aleksándrovitch
- Makhno, Nestor Ivánovitch
- Mákhov (Kalafáti, D. P.)
- Maklákov, Vassíli Alexéievitch
- Maksimóvski, Vladímir Nikoláevich
- Malákhov, Nikolái Nikoláievitch
- Malatesta, Errico
- Malenkov, Gueórgui Maximiliánovitch
- Maléter, Pal
- Maleville, Léon
- Malíchkine, Vassíli Fiódorovitch
- Malíguine, Ivan Vassílievitch
- Malina, Salomão
- Malinovsky, Roman
- Malmesbury, James Harris, Earl of
- Malon, Benoît
- Malou, Jules
- Malthus, Thomas Robert
- Malyshev, Sergei
- Mámontov, Konstantine Konstantínovitch
- Man, Henri de
- Manchesterianos
- Manchukuo
- Mandel, Ernest
- Mandelstam, Ossip
- Mandeville, Bernard de
- Mãnescu, Corneliu
- Manfred, Albert Zakharovich
- Mangabeira, João
- Mangabeira, Otávio
- Manifesto de Basileia
- Manilovismo
- Mann, Tom
- Manners, John James Robert
- Manning, Henry Eduard
- Mantell, Gideon Algernon
- Manteuffel, Otto Theodor Freiherr, barão
- Mantsev, Vassíli Nikoláievitch
- Manuílov, Aíexandr Apollónovitch
- Manuilsky, Dmitri Zajárovich
- Mao Zedong
- Maquiavel, Nicolau
- Maranhão Filho, Luís Inácio
- Marat, Jean-Paul
- Marchais, George
- Marche
- Marcuse, Herbert
- Mariátegui, José Carlos
- Marie, Alexandre
- Marighella, Carlos
- Marini, Ruy Mauro
- Mariño, Santiago
- Maritornes
- Markévitch, A.M.
- Markov, Nikolai Evguenievitch (Markov II)
- Markovski
- Marosan, Gyorgy
- Marquit, Erwin
- Marr, Wilhelm
- Marrast, Armand
- Marschall, László
- Marshall, George Catlett
- Martens, Ludo
- Martens, Wilfried
- Martí, José
- Martin, Alexandre (Albert)
- Maximiliano Hernández Martínez
- Martinov, A. (Píker, Alexandr Samóilovitch)
- Martins, Gaspar da Silveira
- Mártov, L. (Tsederbaum, Iuli Ossipovitch) (M., Nartsisse Tuporílov)
- Marty, André
- Marx, Karl
- Marx, Jenny von Westphalen
- Marxhausen, Thomas
- Marxismo
- Marxismo Legal
- Marxismo-Leninismo
- Masham, Samuel Cunliffe Lister, Baron
- Máslov, Piotr Pávlovitch
- Maslow, Arkady
- Massena, João
- Massie, Joseph
- Matarazzo, Francesco Antonio Maria
- Mathieu de la Drôme, Philippe Antoine
- Matlock, Jack Foust
- Mattick, Paul
- Matuszewski, Ignacy Hugo Stanisław
- Maudslay, Henry
- Mauguin, François
- Maupas, Charlemagne Emile
- Maurer, Georg Ludwig
- Maximilian, von Habsburg (Maximilano)
- Maximiliano II
- Maximoff, Grigori Petrovich
- Maxton, James
- Maxwell, Ian Robert, verdadeiro nome Ján Ludvik Hoch
- Maxwell, James Clerk
- Mayakovsky, Vladimir
- Mayer, Julius Robert
- Mayer, Stefan Antoni
- Mayéras, Barthélemy
- Mazepa, Ivan Stepanovych
- Mazilu, Dumitru
- Mazzini, Giuseppe
- Mazumdar, Charu
- McCargar, James Goodrich
- McCarthy, Joseph Raymond
- Mdivani, Budu (nome verdadeiro Polikar Gurguénovitch)
- Meándrov, Mikhail Alekséievitch
- Mechtchérski, Vladimir Petróvitch
- Medeiros, António Tomás
- Medem, Vladimir Davidovitch (Gold-blat)
- Medusa
- Medvédev (Nikoláiev, Leonid Vladimirovitch)
- Medvédiev, Jaurès Aleksándrovitch
- Medvédiev, Serguei Pávlovitch
- Mehring, Franz
- Meireles, Silo Furtado Soares de
- Meissner, Alfred
- Meissner, Otto Karl
- Meitzen, August
- Mejraionka (“Organização Interdistrital dos Social-Democratas Unificados”)
- Mékhlis, Lev Zakhárovitch
- Mella, Julio Antonio
- Mella, Ricardo
- Mélnik, Andrei
- Melnitchanski, Grigóri Natánovitch
- Melo Antunes, Ernesto Augusto de
- Mencheviques-partidistas
- Menchevismo
- Ménchikov, Mikhaíl Ossipovitch
- Mendeleev, Dmitri Ivanovic
- Mendelssohn, Moses
- Menéndez, Jesús
- Menénio Agripa (Menenius Agrippa)
- Menger, Anton
- Menger, Carl
- Mengistu Haile Mariam
- Menjínski, Viatcheslav Rudólfovitch
- Mercier, Louis-Sébastien
- Mercier de la Rivière, Paul-Pierre
- Merivale, Herman
- Merrheim, Alphonse
- Messali-Hadj, Ahmed
- Messenhauser, Caesar Wentzel
- Mészáros, István
- Mett, Ida
- Metternich, Klemens, príncipe
- Meyer, Ernest
- Meyer, Rudolf Hermann
- Meyer, Victor
- Miasnikov, Gavril Ilyich
- Michaelis (Michel), Otto
- Míchkine, Ippolit Nikítitch
- Michnik, Adam
- Midas
- Mieroslawski, Ludwig
- Mignet, François-Auguste-Marie
- Mihailović, Dragoljub "Draža"
- Mihalovics, Zsigmond
- Mikháilov, Alexandr Dmítríevitch
- Mikhailov, Nikolai Alexandrovich
- Mikháilov, Nikolai Nikoláievitch
- Mikháilovski, Nikolai Konstantínovitch
- Mikhailovski, V. G.
- Mikoian, Anastas Hovhannesi
- Mikołajczyk, Stanisław
- Milde, Karl August
- Miliukov, Pavel Nikolayevich
- Miliutin, Vladímir Pávlovitch
- Miliútine, Nikolai Aleksándrovitch
- Mill, James
- Mill, John Stuart
- Miller, Joseph (Joe)
- Millerand, Etienne-Alexandre
- Millerandismo
- Millière, Jean-Baptiste
- Mindszenty, József, verdadeiro nome József Pehm
- Mínski (Vilénkine, Nikolai Maximovitch)
- Miodowicz, Alfred
- Miquel, Johannes
- Mirabeau, Honoré-Gabriel Riqueti - conde de
- Miranda, Emídio da Costa
- Miranda, Francisco
- (Miranda), Antônio Maciel Bonfim
- Miranda, Jayme Amorim
- Mirbach, Wilhelm von
- Mitterrand, François Maurice Adrien Marie
- Mizsei, Kálmán
- Mladénov, Piótr Tochev
- Mlynár, Zdenek
- Mobutu Sese Seko
- Moch, Jules
- Modigliani, Vittorio Emmanuele
- Moguiliánski, M. M
- Moisséienko, Piotr Anissímovitch
- Moisséiev, Mikhail Alekséievitch
- Molé, Louis Mathieu, conde
- Moler, Antonio (Müller, Anton)
- Moleschott, Jakob
- Molesworth, Sir William
- Molière, Jean Baptiste
- Molinari, Gustave de
- Moll, Joseph Maximilian
- Molly Maguires
- Molotov (Vyacheslav Mikhailovich Skriabine)
- Mommsen, Theodor
- Monatte, Pierre
- Monck, Georg
- Monitor
- Monmousseau, Gaston
- Montalembert, Charles
- Montalvo, Francisco
- Montefiore, Dora
- Monteil, Amans-Alexis
- Montenegro, Ana
- Montesquieu, Charles de Secondat, Barão de
- Monteverde, Juan Domingo
- Moody, Dwight Lyman
- Moon, Myung
- Moore-Brabazon, John Theodore Cuthbert
- Moore, Samuel
- Morais, Clodomir dos Santos
- Moreno, Nahuel
- Morgan, Conwy Lloyd
- Morgan, John Pierpont
- Morgan, Lewis Henry
- Morillo, Pablo
- Morley, John
- Morny, Charles Auguste Louis Joseph, conde de
- Morrow, Felix
- Morton, John Chalmers
- Morus, Thomas
- Mościcki, Ignacy
- Moscos
- Moses, Herbert
- Moskóvskie Védomosti (Notícias de Moscovo)
- Mosle, Johan Ludwig
- Most, Johann Joseph
- Mota Pinto, Carlos Alberto da
- Moura, Clóvis Steiger de Assis
- Moura, Maria Lacerda de
- Moutet, Marius
- Movimento de 04 de maio de 1919 (China)
- Movimento de 30 de maio de 1925 (China)
- Mrachkovski, Serguei
- Movimento dos Fenianos
- Mulberger, Arthur
- Müller, Adam Heinrich, Ritter von
- Müller, Felinto
- Müller, Gustav
- Müller, Hermann
- Müller, Johannes
- Münnich, Ferenc
- Münzenberg, Wilhelm
- Münzer, Thomas
- Muradeli, Vano
- Muralov, Nikolai Ivanovich
- Muranov, Matvei Constantinovich
- Muraviov (Michénev, Guerássim Mikháilovitch)
- Murdoch, Keith Rupert
- Murray, Hugh
- Mussavatistas
- Mussínski, Vassíli Stepánovitch
- Mussolini, Benito Amilcare Andrea
- Muste, Abraham Johannes
- Mutualistas
- Mzhavanádze, Vassíli Pávlovitch